| Rock group | Igneous |
| Classification | Extrusive/plutonic |
| Composition | Felsic |
| Texture | Glassy Aphanitic Porphyritic |
| Intrusive counterpart | Granite |
| Common minerals | Quartz Sanidine Plagioclase feldspar Biotite Hornblende |
Rhyolite GigaPans
Rhyolite in Thin Section
Thin Section GigaPans
Porphyritic rhyolite, plane polars
Porphyritic rhyolite, crossed polars
